Finding the Fourth Proportional to 756,722.84, 1,044,230.28 and 417,191.09
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Solution
The fourth proportional to 756,722.84, 1,044,230.28 and 417,191.09 is: 575,697.66
Step by Step Solution
- Step 1: Write the proportion equation
756,722.84 : 1,044,230.28 = 417,191.09 : x - Step 2: Convert to fraction form
756,722.84/1,044,230.28 = 417,191.09/x - Step 3: Cross multiply
756,722.84x = 1,044,230.28 × 417,191.09 - Step 4: Simplify right side
756,722.84x = 435,643,568,724.21 - Step 5: Solve for x
x = 435,643,568,724.21/756,722.84 - Step 6: Final answer
x = 575,697.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.